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05-28-2015, 08:05 AM
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#1
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2 Rivet Member 
2013 30' Flying Cloud
2007 30' Classic
2011 25' FB Flying Cloud
reno
, Nevada
Join Date: Dec 2010
Posts: 53
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Valve Stems....Metal or Rubber?
I'm putting 16" wheels and tires on my 2007, 30' Classic and have been told the rubber stems with metal inside are just as good as the solid metal ones. Some say the metal ones can leak at the tightening nut, which has happened on my current ones.
I run with TST TPMS and they have told me the newer units are light enough to go on rubber without any issues.
Your thoughts....
Thanx
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05-28-2015, 08:09 AM
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#2
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4 Rivet Member 
2011 30' Classic
2007 25' International CCD
1993 32' Excella
Largo
, Florida
Join Date: Nov 2013
Posts: 355
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I have the TST TPMS on my Sendel 16" with Michelins and I use the metal stems. I have experienced no leakage problems.
>>ron<<
__________________
 2015 GMC Denali 2500, 4x4, Duramax diesel, Topper, Pro Pride 3 P, Sendel 16" with Michelin LTs, one Yellow Labrador Retriever (AS security)
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05-28-2015, 08:11 AM
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#3
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2020 Classic 33
Box Elder
, South Dakota
Join Date: Oct 2013
Posts: 1,731
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If you are using externals TST recommends all metal stems. Had mine done at Discount Tire. Think it cost about $30 to pull all four tires, new metal stems, put on the TST units and then had the tires spin balanced. Tech commented on the amount of weight that was needed to do the balance.
__________________
Gary
2020 Classic 33 Twin, 2019 Ram 3500 Longhorn, ProPride
NØVPN
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05-28-2015, 08:21 AM
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#4
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Retired.
Currently Looking...
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, At Large
Join Date: Jun 2003
Posts: 21,276
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With the issues I've seen with the rubber stems, it would be a good idea to use the metal stems.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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05-28-2015, 08:27 AM
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#5
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Rivet Master 
2006 23' Safari SE
Biloxi
, Mississippi
Join Date: Nov 2011
Posts: 8,278
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I have a new TST TPMS system. I recently replaced all my stems with all metal ones based on the recommendation of the company and reading several reports of rubber stem failure.
__________________
MICHAEL
Do you know what a learning experience is? A learning experience is one of those things that says "You know that thing that you just did? Don't do that."
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05-28-2015, 09:03 AM
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#6
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Rivet Master
2010 28' Flying Cloud
Lower Alabama
, USA
Join Date: Mar 2012
Posts: 658
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Metal shorties so the sensor doesn't extend beyond the plane of the tire. You don't want the sensor sticking out in the danger zone where it could get bumped.
BTW, a tire shop can mount new stems without having to completely unmount the tire.
__________________
Alan
"If you must choose between two evils, pick the one you never tried before!"
Air #64439
Southeastern Camping Unit WBCCI #5033
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05-28-2015, 11:33 AM
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#7
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2 Rivet Member
patterson
, Louisiana
Join Date: Nov 2007
Posts: 20
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My rims would not take the all metal stems so the shop used rubber ones that have metal inside. That was 5 years and over 45,000 miles without a problem.
My anecdotal evidence. I carry several extra stems just in case I should need one on the road.
CCC
__________________
Carmelo
Charles C Culotta, Jr.
SUPPORT OUR TROOPS
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05-28-2015, 11:40 AM
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#8
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Rivet Master
2013 25' Flying Cloud
Wheaton
, Illinois
Join Date: Aug 2014
Posts: 649
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I recently went to Discount Tire to have this done. However, they charged me $16 per tire.
The valve they used was a Dill VS-902-W with the following specifications:0.453″ valve hole,1.44″ effective length. A tad longer than I wojuld have preferred but the TST sensors are still well within the outside plane of the tire. Gary (ghaynes755) who responded above told me that is what was installed for him.
Airstream parts called me back after a several week search on their end with the following part number they recommend: 410987-101. Can't verify if and how it fits.
Greg
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05-28-2015, 01:22 PM
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#9
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3 Rivet Member 
Join Date: Mar 2015
Posts: 136
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Good discussion. Need to install a system on our 1999 30' Land Yacht. What criteria, or better yet, what system should I look at?
Mike
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05-28-2015, 02:04 PM
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#10
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Rivet Master
1976 31' Sovereign
Oswego
, Illinois
Join Date: Jan 2007
Posts: 2,017
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I don't use tpms on any thing. I use metal stems on every thing but automobile, rubber stem will cause problems when used with high tire air pressure, plus most tire shops recommend metal these applications.
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05-28-2015, 02:06 PM
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#11
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Rivet Master
1999 34' Excella
Currently Looking...
Hillsboro
, Texas
Join Date: Feb 2013
Posts: 6,408
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Lost two rubber valve stems. Replaces with metal, no more problem
__________________
Peace and Blessings..
Channing
WBCCI# 30676
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05-28-2015, 02:22 PM
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#12
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Rivet Master
2013 31' Classic
billings
, Montana
Join Date: Feb 2010
Posts: 3,577
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 Medal stems don't cause any problems because of high pressure, my kenworth has metal stems on alumium wheels and they have 120 lbs of Air pressure...
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05-28-2015, 02:34 PM
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#13
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Rivet Master
1976 31' Sovereign
Oswego
, Illinois
Join Date: Jan 2007
Posts: 2,017
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valve stems
Quote:
Originally Posted by tjdonahoe
Medal stems don't cause any problems because of high pressure, my kenworth has metal stems on alumium wheels and they have 120 lbs of Air pressure... |
This is what I stated metal stems for high pressure and construction equip. We also use them on our peterbuilts with all aluminum wheels, pick ups flat beds etc. every thing but cars. Have had many problems w/rubber stems before installing metal stems, problems now solved.
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05-28-2015, 02:38 PM
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#14
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Rivet Master
1976 31' Sovereign
Oswego
, Illinois
Join Date: Jan 2007
Posts: 2,017
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valve stems
Quote:
Originally Posted by jomondnv
I'm putting 16" wheels and tires on my 2007, 30' Classic and have been told the rubber stems with metal inside are just as good as the solid metal ones. Some say the metal ones can leak at the tightening nut, which has happened on my current ones.
I run with TST TPMS and they have told me the newer units are light enough to go on rubber without any issues.
Your thoughts....
Thanx
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Metal stems have rubber grommet ie washer inside rim [not thru hole] that nut tightens down on making tite seal unless installed wrong. Rubber stems w/metal inside as plain rubber stems are pull thru no nuts to tighten
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05-28-2015, 04:18 PM
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#15
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3 Rivet Member
2005 22' Interstate
san clemente
, California
Join Date: Oct 2014
Posts: 237
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When using metal stems, do NOT use any type of full diameter hubcap that has the stem go through for access with hubcap in place. Nuts will loosen on the metal stems because hubcap will WALK around rim and put pressure against the stem continuously causing leakage at speed and when loose enough the tire will flatten. I tried to zip-tie the hubcap to stop this phenomenon but couldn't keep this from happening; went to aluminum rims with short metal stems. PROBLEM SOLVED.
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05-28-2015, 04:24 PM
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#16
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Regular Guy
1978 31' Sovereign
Hot Springs
, Arkansas
Join Date: Aug 2014
Posts: 603
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Given the choice, metal.
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05-28-2015, 05:22 PM
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#17
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4 Rivet Member
1972 27' Overlander
Penokee
, Kansas
Join Date: Oct 2011
Posts: 339
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metal for sure...
Between the mice that like to chew on the rubber stems,, along with the times we are pulling mud rim deep that tares rubber stems off like you cant believe. I use metal stems on everything.
If your going with TPM system,, then you will have to spend a little more money but I think long term you will be ahead... The stock TPMS on my TV lasted 20,000 miles before they rattled apart..
Sodbust
__________________
2012 Ram 1500 Tradesman Hemi, 4x4, 6 speed
20mpg empty, 14 mpg with 27' Overlander.
Today is the first day of the rest of your life!
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05-28-2015, 06:07 PM
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#18
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Vintage Kin
Fort Worth
, Texas
Join Date: Nov 2006
Posts: 8,014
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Some high pressure stems are rubber.
Metal caps with o-ring gasket worth having. Helps seal against valve leakage.
On big truck I use double seal extensions. German made.
Both of these from big truck tire shops, if wanted.
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05-28-2015, 08:25 PM
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#19
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:SPACE A" S/O 11 Air19745
2006 34' Classic S/O
Fort Worth
, Texas
Join Date: Feb 2007
Posts: 1,766
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I have used PressurePRo for eight summers including a trip to Alaska for 12,000 miles no problems. However, my dog did chew up one.
guskmg
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06-05-2015, 02:08 PM
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#20
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Rivet Master Commercial Member
Ravenna
, Ohio
Join Date: Apr 2012
Posts: 1,344
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Quote:
Originally Posted by carmelo
My rims would not take the all metal stems so the shop used rubber ones that have metal inside. That was 5 years and over 45,000 miles without a problem.
My anecdotal evidence. I carry several extra stems just in case I should need one on the road.
CCC
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I would suggest that the reason your rim would not accept the metal stem available at the tire store was because they did not have a more complete selection of bolt in valves. Rim hole diameter has a couple of standards for ID and metal thickness. Never found a rim where there wasn't a standard bolt in available for it.
Don't forget that the rubber in the valve ages just like the rubber in the tires. Your "extra" stems need to be kept is cool dry location or they will be more likely to fail if used in the future.
Can't imagine situation where you would need or use a rubber stem on the road. DO you change your own tires? 
__________________
Retired tire engineer (50 years). Write a blog on RV Tire Safety Net. Give seminars for FMCA across the US. Tucson AZ in Mar 2024 is next.
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